code: def __init__(self, p1, p2, color=None):
      self.p1 = p1
      self.p2 = p2
      self.color = color or (100, 100, 100)
  
file_path: icevision/icevision/core/keypoints.py
imports: from icevision.imports import *
  from .exceptions import *
label_desc: Use image node_id 1 to create a new KeypointConnection object  with example: obj = KeypointConnection(p1, p2, color)